When a watch is sold at \(\frac{7}{8}\) th of the marked price, there is a profit of 25%. At what percentage more than the cost price has the marked price of the watch been fixed? [Give your answer correct to 2 decimal places.]
A, B and C can do a piece of work in 10, 20 and 30 days, respectively. In how many days can A do the work if he is assisted by B and C on every third day?
9 days
\(8\tfrac{5}{11}\ \text{days}\)
\(8\tfrac{2}{11}\ \text{days}\)
\(6\tfrac{5}{11}\ \text{days}\)
What is the value of \(\frac{\left(\frac{5}{7}\ \text{of}\ \frac{1}{12}\times\frac{1}{4}-\frac{1}{2}\times\frac{1}{8}\right)+\frac{5}{4}\times\frac{8}{15}-\frac{2}{3}}{\frac{1}{2}\div\frac{1}{4}+\frac{1}{2}}\) ?
\(-\frac{5}{108}\)
\(-\frac{4}{103}\)
\(-\frac{4}{105}\)
\(-\frac{2}{105}\)
The following bar chart shows the revenue (in thousand rupees) generated from the sale of 5 different objects, 01 to 05.
The following bar chart shows the profit percentage gained through the sales of these 5 objects.
\(\text{Profit percentage} = \frac{\text{Revenue} - \text{Cost}}{\text{Cost}} \times 100\)
Profit percentage What is the cost incurred in the procurement and sale of 01?